Errors, Freaks & Oddities (EFOs)
- Others
- Multiple EFOs per issue
EFO Catalog
1983. 3p20 Manila International Film Festival (MIFF) - Gold imprint (MIFF logo) omitted; with normal copy for comparison.
1982. 2p00 Scout Movement in the Philippines, 75th Anniversary - Black inscriptions (PILIPINAS P2.00) omitted; with normal copy for comparison.
1977. 1p50 Asian Oceanic Postal Union (AOPU), 15th Anniversary - Black "P1.50" imprint omitted; with normal copy for comparison.
1982. 40s Association of South East Asian Nation (ASEAN), 15th Anniversary - Black "ASEAN" omitted; with normal copy for comparison.
1984. 70s Ayala Corporation, 150th Anniversary - Black "70s" value omitted; with normal copy for comparison.
1982. 40s Tower Awards - Green inscriptions at the bottom omitted; with normal copy for comparison.